Prestolite Electric · Electronic Components
55745
Holder, Electrical Contact Brush
Part Number55745
ManufacturerPrestolite Electric
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-578-7951 (NSN)
Federal Item NameHOLDER,ELECTRICAL CONTACT BRUSH
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Mounting FacilityPRESS FIT
Inside Thickness0.296 INCHES MINIMUM AND 0.309 INCHES MAXIMUM
Inside Length0.500 INCHES NOMINAL
Brush Pressure Spring Type AccommoHELICAL COMPRESSION
Terminal TypeTAB W/WIRE LEAD
Top Thread LocationEXTERNAL
Brush Quantity Accommodated Per Ho1
Overall Width0.750 INCHES NOMINAL
Mounting Facility Quantity1
Thread Size And Series Type Design0.625-11 UNIFIED NATIONAL COARSE (UNC)
Overall Length2.250 INCHES NOMINAL
Vendor Part NumbersA007055745
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is 55745 available?
We can source 55745 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is 55745 by Prestolite Electric obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 55745 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like 55745?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for 55745?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.